1 Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Switzerland.
2 Monaco Cardiothoracic Centre, Monaco.
3 Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
4 Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Switzerland; Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
5 Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Switzerland. Electronic address: [email protected].